Mahmoud A. Nassr, Mamdouh A. M. Taha and Mohammed A. E. Shaban.Cyclization of aldonic acid aroylhydrazides to 1, 3, 4-oxadiazoline derivatives. Carbohydr. Res., 121, 119-124 (1983).

Mahmoud A. Nassr, Mamdouh A. M. Taha and Mohammed A. E. Shaban. Cyclization of 2,3,4,5-tetra-O-acetylgalactaric bis (aroylhydrazides) to saccharide bis(1,3,4-oxadiazolyl) derivatives. Carbohydr. Res., 121, 125-134 (1983).

Mohammed A. E. Shaban, Mahmoud A. Nassr and Mamdouh A. M. Taha, The synthesis of C-nucleoside precursors: 3-alditol-l-yl)-5-phenyl-l,2,4-triazolo [3,4-a]phthalazines. Carbohydr. Res., 113, C16-C17 (1983).

Mohammed A. E. Shaban and Mamdouh A. M. Taha. The synthesis of C-nucleoside precursors II: synthesis and conformational analysis of 3-(pentahydroxypentyl)-6-phenyl-l,2,4-triazolo[3,4 -a]phthalazines. Bull. Chem. Soc. Japn, 62, 2701-2708 (1989).

Mohammed A. E. Shaban and Mamdouh A. M. Taha. Synthesis of 3-(alditolyl)-6-benzyl-1,2,4-triazolo[3,4-a]phthalazines. Int. J. Chem.. 1(2) 59-66 (1990).

Mohammed A. E. Shaban and Mamdouh A. M. Taha. The synthesis of l,2,4-triazolo[3,4-a]phthalazine C-nucleoside analogs of potential hypotensive activity. Int. J. Chem., 1(2) 77-81 (1990).

Mohammed A. E. Shaban and Mamdouh A. M. Taha . Synthesis of C-nucleoside precursors: alternative routes for the synthesis of 3-polyhydroxyalkyl)-l,2,4-triazolo[3,4-a]phthalazines. Carbohydr. Res., 203, 330-335 (1990)

Mohammed A. E. Shaban, Mamdouh A. M. Taha and Adel. Z. Nasr. Synthesis and biological activities of 6-aryl-1,2,4-triazolo[3,4-a]phthalazines and 6-aryl-tetrazolo[5,l-a]phthalazines. J. Islam. Acad. Sci., 3, 98-102 (1990).

Mohammed A. E. Shaban, Adel Z. Nasr and Mamdouh A. M. Taha. Synthesis of condensed l,2,4-triazolo-heterocycles. J. Islam. Acad. Sci., 3, 174-179 (1990).

Mohammed A. E. Shaban, Adel. Z. Nasr and Mamdouh A. M. Taha . Utilization of cyclic amidazones as heterocyclic synthones. Int. J. Chem., 1(3) 123-132 (1990).

Mohammed A. E. Shaban, Adel Z. Nasr and Mamdouh A. M. Taha . Synthesis of condensed 1,2,4-triazolo-heterocycles. J. Islam. Acad. Sci., 3, 255-261 (1990)

Mohammed A. E. Shaban, and Mamdouh A. M. Taha .Synthesis of 3-(tetritol-l-yl)-6-phenyl-l,2,4-triazolo[3,4-a]phthalazines and conformational analysis of their acetates. J. Carbohydr. Chem., 10(3) 757-769 (1991)

Mohammed A. E. Shaban, Mamdouh A. M. Taha and Adel Z. Nasr. Reactions of 4-aryl-l-hydrazinophthalazines with carbonyl compounds. Pharmazie, 46(2) 105-108 (1991).

Mohammed A. E. Shaban, Mamdouh A. M. Taha and Essam M. Sharshira. Synthesis and biological activities of condensed heterocyclo [n,m-a,b, or c] quinazolines. Advances in Heterocyclic Chemistry(A. R. Kattitzky Ed.) Academic Press Inc., New York, 52, 1-153 (1991)

Mohammed A. E. Shaban, Mamdouh A. M. Taha and Essam M. Sharshira. Novel 4-pyrazol-l-yl)-, l,2,4-triazolo[4,3-c]-, triazolo[l,5-c] and tetrazolo[l,5-c] quinazolines: synthesis for potential biological activities. Alex. J. Pharm. Sci., 6(2) 219-224 (1992).

Mamdouh A. M. Taha. Synthesis of 1-3,4-thiadiazole C-nucleoside analogues. Alex. J. Pharm. Sci., 7(1) 79-81 (1993)

Mohammed A. E. Shaban. Adel Z. Nasr and Mamdouh A. M. Taha .Synthesis of acyclo C-nucleoside analogs: 6-(D-gluco-pentitol-l-yl) l,2,4- triazolo[3,4-a] 1,3,4-thiadiazoles and l,4-bis(l,2,4-triazolo[3,4-b] 1,3,4-thiadiazol- 6-yl) galacto-tetritols. Pharmazie, 50(8) 534-537 (1995).

Mohammed A. E. Shaban, Adel Z. Nasr and Mamdouh A. M. Taha . Synthesis of 1,2,4-thiadiazole and 1,2,4-triazole acyclo C-nucleosides. J. Carbohydr. Chem., 14(7) 985-994 (1995)

Mohammed A. E. Shaban. Mamdouh A. M. Taha , Adel Z. Nasr and Aly E. A. Morgaan. Synthesis of acyclo C-nucteosides: 3-(alditol-1 -y!)-5-methyl-7-oxo-1,2,4 triazolo [4,3-a]pyrimidines. Pharmazie, 50(12) 784-788 (1995).

Mohammed A. E. Shaban, Mamdouh A. M. Taha and Adel Z. Nasr.Synthesis of acyclo C-nucleosidcs: 3-(alditol-l-yl)-6,7-diphenyl-I,2,4-triazolo [4,3-b][1,2,4]triazines. Pharmazie, 51(10) 707-710 (1996).

Mohammed A. E. Shaban, Mamdouh A. M. Taha and Hesham M. A, Hamouda. Synthesis and antimicrobial activities of condensed and uncondensed 1,2,4-triazines. Heterocycl. Commun., 4(4) 351-359 (1998)

Mohammed A. E. Shaban, Mamdouh A. M. Taha and Adel Z. Nasr. Synthesis of 1,2,4-triazino [4,3-c]quinazolines and 4-(pyrazol-l yl)quinazolines. Heterocycl. Commun.. 4(5) 473-478 (1998).

Mohammed A. E. Shaban, Mamdouh A. M. Taha and Aly E. A. Morgaan. Sterically controlled regiospecific cyclization of aldose-5-ethyl-l,2,4-triazino [5,6-b]indol-3-ylhydrazones to linearly annelated 3-polyhydroxyalkyl-10-ethyl-1,2,4- triazolo-[4 ',3 ':2,3] 1,2,4-triazino[5,6-b] indoles. Monatsh. Chem., 131, 487 (2000).

Mamdouh A. M. Taha .Use of 7H-1,2,4-triazolo[ 1,5-d]tetrazol-6-thioacetylhydrazine in the synthesis of some heterocyclic compounds of biological interest. Alex. J. Pharm. Sci., 18(1) 65-67 (2004)

Mamdouh A. M. Taha . Use of 1,5-diaminotetrazole in the synthesis of some fused heterocyclic compounds. J. Indian Chem. Soc., 82(2) 172-174 (2005)

Mamdouh A. M. Taha . Synthesis of some new heterobicyclic nitrogen systems bearing 7H-l,2,4-triazolo [1,5-d]tetrazol-6-yl moiety for potential biological activities. J. Chin. Chem. Soc., 52 ,137-140 (2005)

Mamdouh A. M. Taha. Synthesis and antiinflammatory evaluation of some imimo-sugaras of methylbenzimidazole. J.Indian Chem. Soc.. 82(2) 180-182 (2005(

Mamdouh A. M. Taha and Susan M. El-Badry. Synthesis of 1,3,4-oxadiazole acyclo C-nucleosides bearing 5-methylthio-{7- substituted-l,2,4-triazolo[1,5-d]tetrazol-6-yl} moieties. J. Chinese Chem. Soc.. 53(5) 1181-1188 (2006).

Mamdouh A. M. Taha and Susan M. El-Badry. Synthesis and in-vitro antimicrobial activity of some heterocyclic compounds via {7H- l,2,4-triazolo[l,5-d]tetrazol-6-ylsuIfamyl} acetic acid hydrazide. Phosphorus, Sulfur and Silicon, 182(5) 1011-1021 (2007).

Mamdouh A. M. Taha. Synthesis of condensed and uncondensed tetrazolo[l,5-b]-l,2,4-triazines as potential antimicrobial agents . Monatsh. Chem., 138(5), 505-509 (2007(.

Mamdouh A. M. Taha and Susan M. El-Badry.Design, synthesis and antimicrobial activity of fused triheterocyclic nitrogen systems involving tetrazolo[ 1,5-b] [1.2,4]triazines. Monatsh. Chem., 139(10) 1261-1267(2008).

Mamdouh A. M. Taha. Convenient synthesis of some l,2,4-triazolo[3,4-b]-l,3,4-thiadiazoles and 1,2,4- triazolo[3,4-b]-l,3,4-thiadiazines bearing 3-methylthio {7H-l,2,4-triazoIo[l,5-d] tetrazolo-6-yl} moiety as possible antimicrobial activity Phosphorus, Sulfur and Silicon., 183(10), 2525-2533 (2008).

Mamdouh A. M. Taha and Susan M. El-Badry Synthesis of heterocyclic systems on the basis of 6-methyltetrazolo[ 1,5-b]-1,2,4- triazine-7-thiol as an initial compound, Trends in Heterocyclic Chem., 13, in press (2008).